3-6
Part 3: Adjustment
2.4 Contrast Adjustment
Measuring equipment ............Oscilloscope
Input signal ...........................16-step gray scale
Enter the service mode.
Adjust part A of the signal waveform at each test point to the minimum with the
/- button.
1. Enter computer input mode and input a 16-step gray scale signal.
Item No.
Test point
Adjustment
7
TP-R1
Computer red contrast
8
TP-G1
Computer green contrast
9
TP-B1
Computer blue contrast
2 Enter AV input mode and input a 16-step gray scale signal.
Item No.
Test point
Adjustment
7
TP-R1
AV red contrast
8
TP-G1
AV green contrast
9
TP-B1
AV blue contrast
3. Enter component input mode and input a 16-step gray scale signal (480P signal).
Item No.
Test point
Adjustment
7
TP-R1
Component red contrast
8
TP-G1
Component green contrast
9
TP-B1
Component blue contrast
Fig. 3-3
A
Содержание D78-5241
Страница 8: ...Part 1 General Information ...
Страница 22: ...Part 1 General Information 1 14 7 SUPPORTED COMPUTER SYSTEM MODE See the attached sheet Owner s Manual page 23 ...
Страница 23: ...Part 2 Repair Information ...
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Страница 36: ...Part 3 Adjustment ...
Страница 47: ...Part 4 Parts Catalog ...
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Страница 49: ...PARTS CATALOG Multimedia Projector LV X1U REF NO D78 5242 LV X1E D78 5243 Power Projector LV X1J D78 5241 ...
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Страница 60: ...Part 5 Electrical Diagrams ...